Support placing seat of computer host

The utility model discloses a support placing seat of a computer host, which belongs to the technical field of computer host auxiliary equipment and comprises a bottom plate, and foot brake universal wheels are fixedly mounted at four corners of the lower surface of the bottom plate. A height adjusting assembly is arranged on the upper surface of the bottom plate, a containing plate internally provided with a cavity is installed through the height adjusting assembly, a two-way lead screw is rotationally installed in the containing plate, and one end of the two-way lead screw extends out of the containing plate and is fixedly provided with a handle. Moving blocks are installed on the outer surfaces of two sections of threads of the bidirectional lead screw in a threaded mode, a plurality of connecting columns are fixedly installed on the upper surfaces of the moving blocks, and a plurality of sliding grooves used in cooperation with the connecting columns are formed in the upper surface of the containing plate